Thread: Shimano GRX 10-speed Rear Derailleur compability issues
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Old 09-30-19 | 02:18 PM
  #4  
jimc101
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Joined: Oct 2007
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From: West Yorkshire, United Kingdom
Originally Posted by Dave Mayer
Tiagra 10-speed is not compatible with earlier Shimano 10-speed
This is where total clarity is needed, 4600 (older Tiagra 10 speed) is compatiable with all other Shimano road 10 speed, current 4700 Tiagra 10 isn't.
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